I have some inflammation in my body. What is inflammation? And what causes inflammation? Is it serious?

Reaction of body. Inflammation is the response of your body, specifically vascular tissue to protect against a perceived injury, threat or infection. Acute or chronic. Helps remove the injurious threat and move on to the healing phase. Our body, especially with a western diet can have too much baseline inflammation. This can lead to hardening of the arteries, possibly cancer, rheumatologic disorders, allergies.